Anatomy
pericardium Audio
per·i·car·di·um [ per-i-kahr-dee-uhm ]
Subclass of:
Serous Membrane; Heart
Etymology:
Greek peri = around + kardia = heart
Hence the sac enclosing the heart.
Definitions related to pericardial sac:
  • (pericardium) The membrane surrounding the heart and roots of the vessels at the base of the heart.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • (pericardium) A conical fibro-serous sac surrounding the HEART and the roots of the great vessels (AORTA; VENAE CAVAE; PULMONARY ARTERY). Pericardium consists of two sacs: the outer fibrous pericardium and the inner serous pericardium. The latter consists of an outer parietal layer facing the fibrous pericardium, and an inner visceral layer (epicardium) resting next to the heart, and a pericardial cavity between these two layers.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • (pericardium) A conical membranous sac filled with serous fluid in which the heart as well as the roots of the aorta and other large blood vessels are contained.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (pericardium) Membranous sac that envelops the heart and the roots of the great vessels.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • (pericardium) Organ cluster which has as its direct parts the fibrous pericardium and the pericardial sac.
    Foundational Model of Anatomy
    University of Washington, 2017
  • (pericardium) The fibrous sac that surrounds the heart and the roots of the major blood vessels.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Serous sac that surrounds the heart. Examples: There is only one pericardial sac.
    Digital Anatomist
    University of Washington, 2003
  • Serous sac, which has as parts the serous pericardium and the pericardial cavity. Examples: There is only one pericardial sac.
    Foundational Model of Anatomy
    University of Washington, 2017
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.